The perpetrator of Type III violence is an employee or past employee of the business who attacks or threatens other employee(s) or past employee(s) in the workplace. Worker-on-worker fatalities accounted for approximately 15 percent of all workplace homicides in 2014.
Type 1: Criminal Intent In Type 1 violence, the perpetrator has no legitimate relationship to the business or its employees, and is usually committing a crime in conjunction with the violence (robbery, shoplifting, trespassing).
Type 3 violence between coworkers is commonly referred to as lateral or horizontal violence. It includes bullying, and frequently manifests as verbal and emotional abuse that is unfair, offensive, vindictive, and/or humiliating though it can range all the way to homicide.